Security door bar lock



FIG. 1 is a front and top perspective view of a security door bar lock showing our new design;

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a right side elevational view thereof, the left side being a mirror image thereof.

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

CLAIM The ornamental design for a security door bar lock, as shown and described. 